Re: [Numpy-discussion] SVD errors

2013-06-04 Thread Amir Mohammadi
Robert Kern robert.kern at gmail.com writes: On Mon, Feb 9, 2009 at 16:25, M Trumpis mtrumpis at berkeley.edu wrote: I played around with a C translation of that test program, and found that dgesvd (but not dgesdd) happens to converge and return all non-negative singular values for both

Re: [Numpy-discussion] SVD errors

2013-06-04 Thread Robert Kern
On Tue, Jun 4, 2013 at 5:18 PM, Amir Mohammadi 183.a...@gmail.com wrote: Hello Everyone, I am trying to write my own svd function to use the dgesvd method from lapack, but my problem is that I cannot find the dgesvd method from this import from numpy.linalg import lapack_lite. Do I have to

Re: [Numpy-discussion] SVD errors

2009-02-09 Thread M Trumpis
I played around with a C translation of that test program, and found that dgesvd (but not dgesdd) happens to converge and return all non-negative singular values for both operators I was having trouble with. I'm also looking at the Octave code just now, and I think they're using dgesvd also. Any

Re: [Numpy-discussion] SVD errors

2009-02-09 Thread Robert Kern
On Mon, Feb 9, 2009 at 16:25, M Trumpis mtrum...@berkeley.edu wrote: I played around with a C translation of that test program, and found that dgesvd (but not dgesdd) happens to converge and return all non-negative singular values for both operators I was having trouble with. I'm also looking

Re: [Numpy-discussion] SVD errors

2009-02-03 Thread Pauli Virtanen
Mon, 02 Feb 2009 18:27:05 -0600, Robert Kern wrote: On Mon, Feb 2, 2009 at 18:21, mtrum...@berkeley.edu wrote: Hello list.. I've run into two SVD errors over the last few days. Both errors are identical in numpy/scipy. I've submitted a ticket for the 1st problem (numpy ticket #990). Summary

[Numpy-discussion] SVD errors

2009-02-02 Thread mtrumpis
Hello list.. I've run into two SVD errors over the last few days. Both errors are identical in numpy/scipy. I've submitted a ticket for the 1st problem (numpy ticket #990). Summary is: some builds of the lapack_lite module linking against system LAPACK (not the bundled dlapack_lite.o, etc) give a

Re: [Numpy-discussion] SVD errors

2009-02-02 Thread Robert Kern
On Mon, Feb 2, 2009 at 18:21, mtrum...@berkeley.edu wrote: Hello list.. I've run into two SVD errors over the last few days. Both errors are identical in numpy/scipy. I've submitted a ticket for the 1st problem (numpy ticket #990). Summary is: some builds of the lapack_lite module linking

Re: [Numpy-discussion] SVD errors

2009-02-02 Thread Lou Pecora
...@berkeley.edu mtrum...@berkeley.edu Subject: [Numpy-discussion] SVD errors To: numpy-discussion@scipy.org Date: Monday, February 2, 2009, 7:21 PM Hello list.. I've run into two SVD errors over the last few days. Both errors are identical in numpy/scipy. I've submitted a ticket for the 1st problem